/Engine/Source/Runtime/Engine/Classes/Sound/SoundNodeQualityLevel.h
This SoundNode uses GameUserSettings AudioQualityLevel (or the editor override) to choose which branch to play and at runtime will only load in to memory sound waves connected to the branch that will be selected
class USoundNodeQualityLevel : public [USoundNode](API\Runtime\Engine\Sound\USoundNode)
int32
CookedQualityLevelIndex
A Property to indicate which quality this node was cooked with. (INDEX_NONE if not cooked, or unset).
FCriticalSectio...
EditorOnlyCs
Critical section to protect Child nodes array while serializing.